Example usage for com.google.gson.stream JsonReader JsonReader

Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader JsonReader.

Prototype

public JsonReader(Reader in) 

Source Link

Document

Creates a new instance that reads a JSON-encoded stream from in .

Usage

From source file:edu.rpi.shuttles.data.RPIShuttleDataProvider.java

License:Apache License

public SparseArray<Stop> fetchStops() throws IOException {
    // Download stop data.
    URL stopsURL = new URL(mStopsUrl);
    URLConnection stopsConnection = stopsURL.openConnection();
    stopsConnection.setRequestProperty("User-Agent", mUserAgent);
    InputStream in = new BufferedInputStream(stopsConnection.getInputStream());
    JsonReader reader = new JsonReader(new InputStreamReader(in));
    mStops.clear();//from  w w  w .j a v  a 2  s .c  o  m
    mRouteStopsMap.clear();

    reader.beginArray();
    while (reader.hasNext()) {
        Stop stop = readStop(reader);
        mStops.put(stop.id, stop);
    }
    reader.endArray();

    reader.close();
    return mStops;
}

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From source file:edu.rpi.shuttles.data.RPIShuttleDataProvider.java

License:Apache License

public SparseArray<Route> fetchRoutes() throws IOException {
    URL routesURL = new URL(mRoutesUrl);
    URLConnection routesConnection = routesURL.openConnection();
    routesConnection.setRequestProperty("User-Agent", mUserAgent);
    InputStream in = new BufferedInputStream(routesConnection.getInputStream());

    URL routePathsURL = new URL(mRoutePathsUrl);
    URLConnection routePathsConnection = routePathsURL.openConnection();
    routePathsConnection.setRequestProperty("User-Agent", mUserAgent);
    InputStream pathInputStream = new BufferedInputStream(routePathsConnection.getInputStream());

    mRoutes.clear();/*from www  .j a v a2  s .  com*/
    JsonReader routesReader = new JsonReader(new InputStreamReader(in));
    routesReader.beginArray();
    while (routesReader.hasNext()) {
        Route route = readRoute(routesReader);
        mRoutes.put(route.id, route);
    }
    routesReader.endArray();

    JsonReader routePathReader = new JsonReader(new InputStreamReader(pathInputStream));
    routePathReader.beginObject();
    while (routePathReader.hasNext()) {
        Log.d("RouteDataProvider", "Entering L1.");
        String key = routePathReader.nextName();
        Log.d("RouteDataProvider", String.format("L1: %s", key));
        if (key.equals("routes")) {
            Log.d("RouteDataProvider", "Found 'routes' tag.");
            routePathReader.beginArray();
            while (routePathReader.hasNext()) {
                populateRoutePath(routePathReader);
            }
            routePathReader.endArray();
        } else {
            Log.d("RouteDataProvider", "Found other tag.");
            routePathReader.skipValue();
        }
    }
    routePathReader.endObject();

    return mRoutes;
}

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From source file:edu.rpi.shuttles.data.RPIShuttleDataProvider.java

License:Apache License

public SparseArray<Vehicle> updateVehicleLocations() throws IOException {
    // Download vehicle location data.
    URL vehicleLocationURL = new URL(mVehicleLocationsUrl);
    URLConnection vehicleLocationConnection = vehicleLocationURL.openConnection();
    vehicleLocationConnection.setRequestProperty("User-Agent", mUserAgent);
    InputStream in = new BufferedInputStream(vehicleLocationConnection.getInputStream());
    JsonReader reader = new JsonReader(new InputStreamReader(in));
    SparseArray<Vehicle> updated_vehicles = new SparseArray<Vehicle>();

    reader.beginArray();/*from w ww  . j  av  a  2s  . co m*/
    while (reader.hasNext()) {
        Vehicle shuttle = readVehicleLocation(reader);
        updated_vehicles.put(shuttle.id, shuttle);
        mVehicles.put(shuttle.id, shuttle);
    }
    reader.endArray();

    reader.close();
    return updated_vehicles;
}

---

From source file:edu.washington.cs.cupid.usage.CupidDataCollector.java

License:Open Source License

public synchronized String getAllJson(String indent, boolean includeNow) throws IOException {
    List<SessionLog> logs = Lists.newArrayList();

    for (File file : logDirectory.listFiles()) {
        if (file.getName().endsWith(".json")) {
            JsonReader reader = new JsonReader(new FileReader(file));
            logs.add((SessionLog) gson.fromJson(reader, SessionLog.class));
            reader.close();//from   w w  w. j a va2 s .  c o  m
        }
    }

    if (init) {
        logs.add(new SessionLog(uuid(), system, sessionLog));
    }

    StringWriter result = new StringWriter();
    JsonWriter writer = new JsonWriter(result);
    if (indent != null) {
        writer.setIndent(indent);
    }
    gson.toJson(logs, new TypeToken<List<SessionLog>>() {
    }.getType(), writer);
    writer.close();
    return result.toString();
}

---

From source file:email.mandrill.MandrillApiHandler.java

public static Map<String, Object> getEmailDetails(String mandrillEmailId)
        throws URISyntaxException, IOException {
    Map<String, Object> emailDetails = new HashMap<>();
    HttpClient httpclient = HttpClients.createDefault();
    HttpGet httpGet = new HttpGet("https://mandrillapp.com/api/1.0/messages/info.json");
    URI uri = new URIBuilder(httpGet.getURI()).addParameter("key", SendEmail.MANDRILL_KEY)
            .addParameter("id", mandrillEmailId).build();
    logger.info("Getting Email details: " + uri.toString());
    Gson gson = new Gson();
    httpGet.setURI(uri);// w  w  w .  j  av  a 2  s.  co m

    //Execute and get the response.
    HttpResponse response = httpclient.execute(httpGet);
    HttpEntity responseEntity = response.getEntity();
    if (responseEntity != null) {
        String jsonContent = EntityUtils.toString(responseEntity);
        logger.info(jsonContent);
        // Create a Reader from String
        Reader stringReader = new StringReader(jsonContent);

        // Pass the string reader to JsonReader constructor
        JsonReader reader = new JsonReader(stringReader);
        reader.setLenient(true);
        Map<String, Object> mandrillEmailDetails = gson.fromJson(reader, Map.class);
        emailDetails.put("sent_on", mandrillEmailDetails.get("ts"));
        emailDetails.put("mandrill_id", mandrillEmailDetails.get("_id"));
        emailDetails.put("email_state", mandrillEmailDetails.get("state"));
        emailDetails.put("subject", mandrillEmailDetails.get("subject"));
        emailDetails.put("email", mandrillEmailDetails.get("email"));
        emailDetails.put("tags", mandrillEmailDetails.get("tags"));
        emailDetails.put("opens", mandrillEmailDetails.get("opens"));
        emailDetails.put("clicks", mandrillEmailDetails.get("clicks"));
        emailDetails.put("sender", mandrillEmailDetails.get("sender"));

    }

    return emailDetails;
}

---

From source file:email.mandrill.MandrillApiHandler.java

public static List<Map<String, Object>> getTags() {
    List<Map<String, Object>> mandrillTagList = new ArrayList<>();

    try {/*from w ww. j a va2s.com*/

        HttpClient httpclient = HttpClients.createDefault();
        HttpGet httpGet = new HttpGet("https://mandrillapp.com/api/1.0/tags/list.json");
        URI uri = new URIBuilder(httpGet.getURI()).addParameter("key", SendEmail.MANDRILL_KEY).build();
        logger.info("Getting mandrill tags: " + uri.toString());
        Gson gson = new Gson();
        httpGet.setURI(uri);

        //Execute and get the response.
        HttpResponse response = httpclient.execute(httpGet);
        HttpEntity responseEntity = response.getEntity();
        if (responseEntity != null) {
            String jsonContent = EntityUtils.toString(responseEntity);
            logger.info(jsonContent);
            // Create a Reader from String
            Reader stringReader = new StringReader(jsonContent);

            // Pass the string reader to JsonReader constructor
            JsonReader reader = new JsonReader(stringReader);
            reader.setLenient(true);
            mandrillTagList = gson.fromJson(reader, List.class);

        }

    } catch (URISyntaxException ex) {
        Logger.getLogger(MandrillApiHandler.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(MandrillApiHandler.class.getName()).log(Level.SEVERE, null, ex);
    } catch (ParseException ex) {
        Logger.getLogger(MandrillApiHandler.class.getName()).log(Level.SEVERE, null, ex);
    }
    return mandrillTagList;
}

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From source file:eu.atos.sla.service.rest.ModacloudsTranslator.java

License:Apache License

@Override
/**//from  ww  w .j  a  va  2s .com
 * Performs the translation from the data coming from the Monitor and SLA's MonitoringMetric.
 * 
 * The key of each monitor data is the name of the violation (contained in the slo), so each
 * slo containing the key must enforce that metric.
 */
public Map<IGuaranteeTerm, List<IMonitoringMetric>> translate(IAgreement agreement, String data) {
    MultivaluedMapWrapper<IGuaranteeTerm, IMonitoringMetric> resultWrapper = new MultivaluedMapWrapper<IGuaranteeTerm, IMonitoringMetric>();

    Gson gson = new Gson();
    JsonReader reader = null;
    Type type = new TypeToken<Map<String, Map<String, List<Map<String, String>>>>>() {
    }.getType();
    reader = new JsonReader(new StringReader(data));
    final Map<String, Map<String, List<Map<String, String>>>> json = gson.fromJson(reader, type);

    /*
     * key: name of violation
     */
    final MultivaluedMapWrapper<String, IGuaranteeTerm> metric2terms = initTermsMap(agreement);

    for (Map<String, List<Map<String, String>>> item : json.values()) {
        BindingHelper var = new BindingHelper(item);
        /*
         * get guarantee terms that evaluate that violation
         */
        List<IGuaranteeTerm> terms = metric2terms.get(var.key);

        if (terms == null) {
            logger.warn("List of terms handling " + var.key + " is empty");
            continue;
        }

        resultWrapper.addToKeys(terms, new MonitoringMetric(var));
    }
    logger.debug("Output metricsmap = " + resultWrapper.getMap());
    return resultWrapper.getMap();
}

---

From source file:eu.eexcess.federatedrecommender.evaluation.csv.CSVResultCreation.java

License:Open Source License

private EvaluationQueryList getEvaluationQueriesFromJson() {
    JsonReader reader = null;/*  ww  w  . j  a v  a 2  s .  co m*/
    try {

        reader = new JsonReader(new FileReader(directoryPath + "queriesEn-selected.json"));
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    EvaluationQueryList queries = null;
    Gson gson = new GsonBuilder().create();

    queries = gson.fromJson(reader, EvaluationQueryList.class);
    return queries;
}

---

From source file:eu.fayder.restcountries.rest.CountryServiceBase.java

License:Mozilla Public License

protected List<? extends BaseCountry> loadJson(String filename, Class<? extends BaseCountry> clazz) {
    LOG.debug("Loading JSON " + filename);
    List<BaseCountry> countries = new ArrayList<>();
    InputStream is = CountryServiceBase.class.getClassLoader().getResourceAsStream(filename);
    Gson gson = new Gson();
    JsonReader reader;//  w ww.  ja v a2 s .  co m
    try {
        reader = new JsonReader(new InputStreamReader(is, "UTF-8"));
        reader.beginArray();
        while (reader.hasNext()) {
            BaseCountry country = gson.fromJson(reader, clazz);
            countries.add(country);
        }
    } catch (Exception e) {
        LOG.error("Could not load JSON " + filename);
    }
    return countries;
}

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From source file:eu.liveGov.libraries.livegovtoolkit.helper.LogFileHelper.java

License:Open Source License

@Override
public void webcallReady(HttpResponse response) {
    if (response != null && response.getStatusLine().getStatusCode() != 200) {
        try {/*  w ww.j a  va 2 s.c  o  m*/
            Gson gson = new Gson();
            JsonReader jr = new JsonReader(new InputStreamReader(response.getEntity().getContent()));
            ServiceApiErrorObject result = gson.fromJson(jr, ServiceApiErrorObject.class);
            logger.error("webcallReady;statuscode: {}, mesaage:{}", response.getStatusLine().getStatusCode(),
                    result.getMessage());
        } catch (Exception e) {
            logger.error("webcallReady;statuscode: {}", response.getStatusLine().getStatusCode());
        }
    }
    File tmpFile = new File(logFileLocation + ".tmp");
    if (tmpFile.exists())
        tmpFile.delete();
}

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